Here is the full list of all 51 Sacraboar achievements.
Played 10 online matches
10 Matches on a Swamp Map
Played One online match
10 Matches on an Winter Map
Won 3 skirmish matches against the Gold AI
Finished 10 Challenges
Captured 100 Pig Trophies
10 Matches on a Fall Map
25 Neutralization Towers built
25 Protection Towers built
Won 3 skirmish matches against the Silver AI
25 Damage Towers built
50 Enemy Towers destroyed
Won 3 skirmish matches against the Bronze AI
25 Power Stations destroyed
10 Matches on a Lava Map
25 Speed Towers built
Captured 50 Pig Trophies
25 Resource Towers built
10 Haste Spells used
10 Slow Motion Spells used
10 Shelter Spells used
10 Regeneration Spells used
10 Freeze Region Spells used
10 Block Magic Spells used
10 High Damage Spells used
10 Shot Blocker Spells used
10 Grenade Spells used
10 Time Bomb Spells used
Won the Cup
Captured 25 Pig Trophies
10 Boost Spells used
10 Burden Spells used
10 Ice Spells used
10 Relieve Spells used
10 Shield Spells used
10 Heal Spells used
Played 50 online matches
Played 100 online matches
Won 25 online matches
25 Matches on a Lava Map
25 Matches on an Winter Map
25 Matches on a Fall Map
25 Matches on a Swamp Map
Won the League
Finished 25 Challenges
Finished 50 Challenges
Finished all Challenges
Won a skirmish match against the Hero AI
Won a skirmish match against the Legend AI
Won a skirmish match against the God AI